±
1,400
100 min (rpm)
(1)
RIGHT SIDE
(1) throttle stop screw
(2) pilot screw
(2)
117
Idle Speed Adjustment
Servicing Your Honda
Engine Idle Speed
and Air-Fuel Mixture
Saf ety Precautions
The best way to assure proper carburetion is to see your Honda dealer
for regularly scheduled servicing, including carburetor adjustment.
Refer to
on page
.
Remember, idle speed adjustment is not a ‘‘cure-all’’ for other problems
in your engine’s fuel-delivery system. Adjusting the idle will not
compensate for a fault elsewhere.
The engine must be at normal operating temperature for accurate idle
speed adjustment.
For information about high altitude carburetor adjustment, see page
.
If the engine is cold, start it and warm it up with 10 minutes of stop-
and-go riding. Stop the engine.
Park your ATV on a firm, level surface.
Connect a tachometer to the engine.
Shift into neutral. Start the engine.
Adjust idle speed by turning the throttle stop screw ( ).
Idle speed (in neutral):
1.
2.
3.
4.
5.
1
83
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Summary of Contents for Fourtrax TRX 250TM
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